the Christopher Nolan recently emphasized the importance of casting Robert Downey Jr. as Tony Stark in "Iron Man," calling it one of the most significant casting decisions in movie history. Likewise, by the end of this decade, similar praise could be directed towards the four actors selected for Marvel's "The Fantastic Four": Pedro Pascal, Vanessa Kirby, Joseph Quinn, and Ebon Moss-Bachrach. Like Downey, all of these actors have experience in major productions—Pascal in "The Mandalorian" and "The Last of Us," Kirby in the recent "Mission: Impossible" films, Quinn in "Stranger Things," and Moss-Bachrach in "Andor." However, none have led their own blockbuster action films before joining Marvel. Downey's portrayal of Iron Man propelled the Marvel Cinematic Universe for over a decade, appearing in 10 films that collectively earned $12.5 billion before Stark's departure in "Avengers: Endgame....